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Finding the Fourth Proportional to 79,282.54, 118,840.56 and 26,673.76

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Solution

The fourth proportional to 79,282.54, 118,840.56 and 26,673.76 is: 39,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.54 : 118,840.56 = 26,673.76 : x
  2. Step 2: Convert to fraction form
    79,282.54/118,840.56 = 26,673.76/x
  3. Step 3: Cross multiply
    79,282.54x = 118,840.56 × 26,673.76
  4. Step 4: Simplify right side
    79,282.54x = 3,169,924,575.71
  5. Step 5: Solve for x
    x = 3,169,924,575.71/79,282.54
  6. Step 6: Final answer
    x = 39,982.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.